LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 48 (Engine Control System Diagnosis - 2.0L (3 Of 3) (Except HEV)) >> DTC P1233: Low Pressure Fuel System - High Deviation Between Target And Current Pressure >> Wiring Inspection >> Terminal and Connector inspection

Terminal and Connector inspection

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the Fuel pressure sensor and PCM connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.
  2. Connect the GDS and go to "Current Data".
  3. Monitor Fuel pressure sensor values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).
  4. Any change in the values indicates a poor connection. Was a connector problem found?

    YES 

    NO 

    • Go to next step below.